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55171711120102 = 2891992152372367
BaseRepresentation
bin11001000101101101010100…
…01111100011001011100110
321020100100211102001002011221
430202312222033203023212
524212413131021320402
6313201311215050554
714423011301546623
oct1442665217431346
9236310742032157
1055171711120102
1116641211670665
126230792510a5a
1324a28930b2205
14d8a479da534a
1565a22202a337
hex322daa3e32e6

55171711120102 has 32 divisors (see below), whose sum is σ = 84113036928000. Its totient is φ = 27137201370048.

The previous prime is 55171711120081. The next prime is 55171711120103. The reversal of 55171711120102 is 20102111717155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55171711120103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 762351523 + ... + 762423889.

It is an arithmetic number, because the mean of its divisors is an integer number (2628532404000).

Almost surely, 255171711120102 is an apocalyptic number.

55171711120102 is a deficient number, since it is larger than the sum of its proper divisors (28941325807898).

55171711120102 is a wasteful number, since it uses less digits than its factorization.

55171711120102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94180.

The product of its (nonzero) digits is 4900, while the sum is 34.

Adding to 55171711120102 its reverse (20102111717155), we get a palindrome (75273822837257).

The spelling of 55171711120102 in words is "fifty-five trillion, one hundred seventy-one billion, seven hundred eleven million, one hundred twenty thousand, one hundred two".

Divisors: 1 2 89 178 199 398 17711 21523 35422 43046 72367 144734 1915547 3831094 4283077 6440663 8566154 12881326 14401033 28802066 381193853 762387706 1281691937 1557554941 2563383874 3115109882 138622389749 277244779498 309953433259 619906866518 27585855560051 55171711120102